Tenable.io is recommended for medium to large enterprises that require comprehensive vulnerability management across cloud, on-premises, and hybrid environments. It's also well-suited for businesses in highly regulated industries that need to adhere to strict compliance requirements. Security teams looking for a solution with strong integration capabilities and real-time threat intelligence would benefit from Tenable.io.
Optimizely is a lower cost entry tool for anyone looking to do website testing. While their pricing structure has changed over the years it still is a pretty cost effective solution. It is easy to get tests up and running within 5 minutes once you have code placed on your site.
I love the drag and drop features of Optimizely. It makes it very easy to make simple changes to do landing page testing for my paid search campaigns. It also frees up dev time for our web team. Also, The findings from Optimizely tests are so valuable for an end customer experience.
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.
Rapid7 - Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now. DownloadPen testing software to act like an attacker.
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.